<% unless(data_object.content.nil?) %>
    <tr>
      <td valign="top">
      <%= data_object.chapter.name %>
      </td>
      <td><%= data_object.content %></td>
    </tr>
<% else %>
  <tr><td colspan=2><a href="<%=data_object.url%>">Information about <%=data_object.chapter.name%></a></td></tr>
<% end %>
